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423270861 = 3133747792
BaseRepresentation
bin11001001110101…
…001100111001101
31002111110101110120
4121032221213031
51331324131421
6110000055153
713326512556
oct3116514715
91074411416
10423270861
111a7a1a732
12b99044b9
13698cb740
144030132d
152725d8c6
hex193a99cd

423270861 has 48 divisors (see below), whose sum is σ = 645652224. Its totient is φ = 244902528.

The previous prime is 423270833. The next prime is 423270893. The reversal of 423270861 is 168072324.

It is not a de Polignac number, because 423270861 - 26 = 423270797 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423270821) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5357820 + ... + 5357898.

It is an arithmetic number, because the mean of its divisors is an integer number (13451088).

Almost surely, 2423270861 is an apocalyptic number.

It is an amenable number.

423270861 is a deficient number, since it is larger than the sum of its proper divisors (222381363).

423270861 is a wasteful number, since it uses less digits than its factorization.

423270861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 423270861 is about 20573.5476036584. The cubic root of 423270861 is about 750.8262662667.

The spelling of 423270861 in words is "four hundred twenty-three million, two hundred seventy thousand, eight hundred sixty-one".

Divisors: 1 3 13 37 39 47 79 111 141 237 481 611 1027 1443 1739 1833 2923 3081 3713 5217 6241 8769 11139 18723 22607 37999 48269 67821 81133 113997 137381 144807 230917 243399 293327 412143 692751 879981 1785953 3001921 3813251 5357859 9005763 10853099 11439753 32559297 141090287 423270861